1. Acting on a non-rigid body, a force can?
A)    Produce dimensional change
B)    Produce change in direction of motion
C)    Start motion
D)    Stop motion

2. Distance of stars are measured in?
A)    Galactic unit
B)    Seller mile
C)    Cosmic kilometre
D)    Light year

3.The minimum number of non-zero non-collinear vectors required to produce a zero vector is?
A)    3
B)    2
C)
D)    1

4.Masses of stars and galaxies are usually expressed in terms of?
A)    Neutron mass
B)    Earth’s mass
C)    Solar mass
D)    Lunar mass

5.When body is accelerated?
A)    Its velocity never changes
B)    Its speed always changes
C)    Its direction always changes
D)    Its speed may or may not change

6.When the milk is churned vigorously the cream from it is separated out due to?
A)    Frictional force
B)    Centrifugal force
C)    Centripetal force
D)    Gravitational force

7. If the distance S covered by a moving car in rectilinear motion with a speed v in time t is given by S=vt, then  the car undergoes?
A)    A uniform acceleration
B)    A non-uniform velocity
C)    A uniform velocity
D)    A non-unifrom acceleration

8.If radius of the eartrh’s orbit becomes one fourth of the present value, the deviation of one year will become?
A)    8 times
B)    4 times
C)    1/8 times
D)    1/4 times

9. If we move from the equator to a pole, the value of g?
A)    Increase
B)    Decrease
C)    Remain unchanged
D)    None of these